Chain



FIG. 1 is a perspective view of a chain showing the new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a right-side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of the encircled portion in FIG. 1 ;

FIG. 10 is an enlarged view of the encircled portion in FIG. 1 ; and,

FIG. 11 is an enlarged view of the encircled portion in FIG. 2 .

The broken lines depict portions of the Chain that form no part of the claimed design.

The dash-dot-dash lines in FIGS. 1, 2, 9, 10, and 11 illustrate the enlarged view indicators and form no part of the claimed design.

The dash-dot-dot-dash lines represent a symbolic break within the Chain. The appearance of any portion of the Chain between the symbolic break forms no part of the claimed design. 

CLAIM The ornamental design for a chain, as shown and described. 